var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

//读取文件
var fs = require('fs');
var root_path = __dirname + '/routes/';
var server_path = __dirname + '/server/';
var files = fs.readdirSync(root_path);
console.log(files);

var multer = require('multer');
var errorHandler = require('errorhandler');
var ejs = require('ejs');
var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

// view engine setup
app.set('views', path.join(__dirname, 'public'));
app.engine('.html', ejs.__express);
app.set('view engine', 'html');

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));

app.set('port', process.env.PORT || 3000);
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'html');
app.set('view engine', 'jade');

app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true })); // support encoded bodies
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(function(req, res, next) {
    res.setHeader("Access-Control-Allow-Origin", "*");
    res.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
    next();
});
//监听各个路由的配置文件 指定为文件的抬头
//接口示例为 act.js (默认为localhost:3000/act/xx)
files.forEach(function(val) {
    var name = val.substr(0, val.lastIndexOf('.'));
    app.use('/' + name, require(root_path + val));
    //if (name == 'index') app.use('/', require(root_path + val));
})

app.listen(app.get('port'), function() {
    console.log('Express server listening on port ' + app.get('port'));
});

// catch 404 and forward to error handler
app.use(function(req, res, next) {
    var err = new Error('Not Found');
    err.status = 404;
    next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
    app.use(function(err, req, res, next) {
        res.status(err.status || 500);
        res.render('error', {
            message: err.message,
            error: err
        });
    });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
        message: err.message,
        error: {}
    });
});


module.exports = app;